VESDA VLI Product Guide VESDA by Xtralis
58 www.xtralis.com
7.6 Replacing the Detection Chamber Assembly
Notes:
l It is important to precisely follow the sequence below in order to avoid kinking the tubes
l Remove the longer tube near the secondary filter first, followed by the shorter tube near the aspirator.
Requirements
l Philips head screwdriver
l 10mm spanner or flat-blade screwdriver
Remove the Detection Chamber Assembly
1. Set the detector to Standby mode. Refer to Section 7.1 on page 53 for further information.
2. Remove the front cover. Refer to Section 7.2 on page 54 for further information.
3. Power down the detector by removing the 24V input. Refer to Section 3.2.2 on page 20 for further
information.
4. Remove the Intelligent Filter (Figure 7-7). Refer to Section 7.3 on page 55 for further information.
Figure 7-7: Intelligent Filter Removal
5. Remove the two screws (A) holding the chamber (Figure 7-8).
Figure 7-8: Remove Chamber Mounting Screws
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